welding wire rods 5.5mm SWRH82B,SWRH77B,SWRS82B, H08A,ER70S-6,SWRH62A,SWRH72A,SWRH72B Available Standard: welding wire rods ER50-6E for gas shield arc welding ,Chemical contentsC 0.06--0.09Mn 1.40--1.60Si 0.80-0.95P 0.02 maxS 0.02 max H08A for manual arc welding chemical contents:C <=0.10Mn 0.35--0.60Si <=0.07P 0.03 maxS 0.03 max